Home / 4,000.95-5,521.41-2,208.51

Finding the Fourth Proportional to 4,000.95, 5,521.41 and 2,208.51

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Solution

The fourth proportional to 4,000.95, 5,521.41 and 2,208.51 is: 3,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.95 : 5,521.41 = 2,208.51 : x
  2. Step 2: Convert to fraction form
    4,000.95/5,521.41 = 2,208.51/x
  3. Step 3: Cross multiply
    4,000.95x = 5,521.41 × 2,208.51
  4. Step 4: Simplify right side
    4,000.95x = 12,194,089.20
  5. Step 5: Solve for x
    x = 12,194,089.20/4,000.95
  6. Step 6: Final answer
    x = 3,047.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.